399295656

素因数分解:

$2^3\times 3^5\times {\mathrm{205399}}^1$

素因数の和:205420

約数の個数: 48

約数和(自身を含む): 1121484000

約数和(自身を除く): 722188344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 205399, 410798, 616197, 821596, 1232394, 1643192, 1848591, 2464788, 3697182, 4929576, 5545773, 7394364, 11091546, 14788728, 16637319, 22183092, 33274638, 44366184, 49911957, 66549276, 99823914, 133098552, 199647828, 399295656]

約数ペア:

[(1, 399295656), (2, 199647828), (3, 133098552), (4, 99823914), (6, 66549276), (8, 49911957), (9, 44366184), (12, 33274638), (18, 22183092), (24, 16637319), (27, 14788728), (36, 11091546), (54, 7394364), (72, 5545773), (81, 4929576), (108, 3697182), (162, 2464788), (216, 1848591), (243, 1643192), (324, 1232394), (486, 821596), (648, 616197), (972, 410798), (1944, 205399)]